The simple addition, deletion,or manipulation of a single traitin an organism to create adesired change.

-major tool is recombinant DNA.-Recombinant- DNA joined to otherunrelated foreign DNA.-also called gene splicing.-tiny segments of a gene are takenout and replaced.

Organisms altered by geneticengineering.-genetic material changed by other thanrandom natural breeding.-gene transfer-moving a gene from oneorganism to another.-these require skill and knowledge to becarried out properly